In　the　title　compound,　C(22)H(26)N(2)O(5),　the　central　1,4-dihydropyrazine　ring　adopts　a　boat　conformation,　while　the　benzene　ring　and　the　two　disordered　components　of　the　furan　ring　are　inclined　at　angles　of　77.9　(5)　and　61.9　(7)　degrees.　Three　of　the　C　atoms　of　the　furan　ring　are　disordered　over　two　positions　with　occupancies　of　0.655　(18)　and　0.345　(18).　In　the　crystal　structure,　weak　intermolecular　C-H　center　dot　center　dot　center　dot　O　hydrogen　bonds　link　the　molecules　into　chains　propagating　in　[010].